* [linux-de:tip/sched/core_dl_fix_dl_cap_aw 4/5] kernel//sched/deadline.c:660:2: note: in expansion of macro 'if'
@ 2020-02-09 23:59 kbuild test robot
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From: kbuild test robot @ 2020-02-09 23:59 UTC (permalink / raw)
To: kbuild-all
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tree: git://linux-arm.org/linux-de.git tip/sched/core_dl_fix_dl_cap_aw
head: 5f50571676da5c98ea40e9eb008e85be2e2d177d
commit: f23df27535d751f761ec7593b8d6311f8385b990 [4/5] sched/deadline: Make DL capacity-aware
config: sparc64-randconfig-a001-20200210 (attached as .config)
compiler: sparc64-linux-gcc (GCC) 7.5.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout f23df27535d751f761ec7593b8d6311f8385b990
# save the attached .config to linux build tree
GCC_VERSION=7.5.0 make.cross ARCH=sparc64
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from arch/sparc/include/asm/bug.h:6:0,
from include/linux/bug.h:5,
from include/linux/thread_info.h:12,
from arch/sparc/include/asm/current.h:15,
from include/linux/sched.h:12,
from kernel//sched/sched.h:5,
from kernel//sched/deadline.c:18:
kernel//sched/deadline.c: In function 'dl_task_fits_capacity':
kernel//sched/deadline.c:660:31: error: 'sched_asym_cpucapacity' undeclared (first use in this function); did you mean 'arch_scale_cpu_capacity'?
if (!static_branch_unlikely(&sched_asym_cpucapacity))
^
include/linux/compiler.h:58:52: note: in definition of macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^~~~
>> kernel//sched/deadline.c:660:2: note: in expansion of macro 'if'
if (!static_branch_unlikely(&sched_asym_cpucapacity))
^~
include/linux/compiler.h:56:28: note: in expansion of macro '__trace_if_var'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^~~~~~~~~~~~~~
>> include/linux/jump_label.h:469:2: note: in expansion of macro 'if'
if (__builtin_types_compatible_p(typeof(*x), struct static_key_true)) \
^~
kernel//sched/deadline.c:660:7: note: in expansion of macro 'static_branch_unlikely'
if (!static_branch_unlikely(&sched_asym_cpucapacity))
^~~~~~~~~~~~~~~~~~~~~~
kernel//sched/deadline.c:660:31: note: each undeclared identifier is reported only once for each function it appears in
if (!static_branch_unlikely(&sched_asym_cpucapacity))
^
include/linux/compiler.h:58:52: note: in definition of macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^~~~
>> kernel//sched/deadline.c:660:2: note: in expansion of macro 'if'
if (!static_branch_unlikely(&sched_asym_cpucapacity))
^~
include/linux/compiler.h:56:28: note: in expansion of macro '__trace_if_var'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^~~~~~~~~~~~~~
>> include/linux/jump_label.h:469:2: note: in expansion of macro 'if'
if (__builtin_types_compatible_p(typeof(*x), struct static_key_true)) \
^~
kernel//sched/deadline.c:660:7: note: in expansion of macro 'static_branch_unlikely'
if (!static_branch_unlikely(&sched_asym_cpucapacity))
^~~~~~~~~~~~~~~~~~~~~~
--
In file included from arch/sparc/include/asm/bug.h:6:0,
from include/linux/bug.h:5,
from include/linux/thread_info.h:12,
from arch/sparc/include/asm/current.h:15,
from include/linux/sched.h:12,
from kernel/sched/sched.h:5,
from kernel/sched/deadline.c:18:
kernel/sched/deadline.c: In function 'dl_task_fits_capacity':
kernel/sched/deadline.c:660:31: error: 'sched_asym_cpucapacity' undeclared (first use in this function); did you mean 'arch_scale_cpu_capacity'?
if (!static_branch_unlikely(&sched_asym_cpucapacity))
^
include/linux/compiler.h:58:52: note: in definition of macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^~~~
kernel/sched/deadline.c:660:2: note: in expansion of macro 'if'
if (!static_branch_unlikely(&sched_asym_cpucapacity))
^~
include/linux/compiler.h:56:28: note: in expansion of macro '__trace_if_var'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^~~~~~~~~~~~~~
>> include/linux/jump_label.h:469:2: note: in expansion of macro 'if'
if (__builtin_types_compatible_p(typeof(*x), struct static_key_true)) \
^~
kernel/sched/deadline.c:660:7: note: in expansion of macro 'static_branch_unlikely'
if (!static_branch_unlikely(&sched_asym_cpucapacity))
^~~~~~~~~~~~~~~~~~~~~~
kernel/sched/deadline.c:660:31: note: each undeclared identifier is reported only once for each function it appears in
if (!static_branch_unlikely(&sched_asym_cpucapacity))
^
include/linux/compiler.h:58:52: note: in definition of macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^~~~
kernel/sched/deadline.c:660:2: note: in expansion of macro 'if'
if (!static_branch_unlikely(&sched_asym_cpucapacity))
^~
include/linux/compiler.h:56:28: note: in expansion of macro '__trace_if_var'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^~~~~~~~~~~~~~
>> include/linux/jump_label.h:469:2: note: in expansion of macro 'if'
if (__builtin_types_compatible_p(typeof(*x), struct static_key_true)) \
^~
kernel/sched/deadline.c:660:7: note: in expansion of macro 'static_branch_unlikely'
if (!static_branch_unlikely(&sched_asym_cpucapacity))
^~~~~~~~~~~~~~~~~~~~~~
vim +/if +660 kernel//sched/deadline.c
642
643 /*
644 * Verify the fitness of task @p to run on @cpu taking into account the
645 * CPU original capacity and the runtime/deadline ratio of the task.
646 *
647 * This check is only important for heterogeneous systems where CPU
648 * original capacity can be less than SCHED_CAPACITY_SCALE. For
649 * non-heterogeneous system this function will always return true.
650 *
651 * The function will return true if the CPU original capacity of the
652 * @cpu scaled by SCHED_CAPACITY_SCALE >= runtime/deadline ratio of the
653 * task and false otherwise.
654 */
655 static inline bool dl_task_fits_capacity(struct task_struct *p, int cpu)
656 {
657 u64 deadline, runtime;
658 unsigned long cap;
659
> 660 if (!static_branch_unlikely(&sched_asym_cpucapacity))
661 return true;
662
663 cap = arch_scale_cpu_capacity(cpu);
664 deadline = p->dl.dl_deadline;
665 runtime = p->dl.dl_runtime;
666
667 return cap_scale(deadline, cap) >= runtime;
668 }
669
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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